Q. For a classical (Wilson) model of determining economic order quantity (EOQ), the carrying and ordering costs are Cr and Co, respectively. For an annual demand D, the minimum yearly total inventory cost is Ans: Option C Sol: Carrying cost = Cr, Ordering Cost = Co, D = Anual demand For economic order quantity EOQ, at […]
Functional megaspore in an angiosperm develops into Option 1 : Embryo sacOption 2 : EmbryoOption 3 : EndospermOption 4 : Ovule
Functional megaspore in an angiosperm develops into Read More »
Q. The end product obtained using spinning process is shown in the figure. The initial blank thickness is 2.5 mm. The blank diameter (in mm) is (A) 75 (B) 105 (C) 150 (D) 210 Ans: 210 Sol: Hypotenuse = 45 × 2 = 90 mm D = (2 × Hypotenuse) + 30 mm
DNA replication in bacteria occurs Option 1 : Within nucleolusOption 2 : Prior to fissionOption 3 : Just before transcriptionOption 4 : During S phase
Q. The correct statement pertaining to the friction welding process is (A) Heat affected zone is not formed (B) Flashes are not produced (C) Dissimilar materials cannot be joined (D) Melting of the base material(s) is not involved Ans: Melting of the base material(s) is not involved
The correct statement pertaining to the friction welding process is Read More »
Q. The process used for producing continuous insulation coating on an electrical wire is (A) Extrusion (B) Injection molding (C) Blow molding (D) Deep drawing Ans: Extrusion
The process used for producing continuous insulation coating on an electrical wire is Read More »
Q. The link lengths of a planar four bar mechanism are AB = 100 mm, BC = 25 mm, CD = 75 mm and DA = 90 mm. For achieving the full rotation of both the input (crank) as well as the output (follower) links, the link that needs to be fixed is Ans: BC
Q. Match the crystal structure in Column A with the corresponding packing fractions in Column B of the table Column A Column B 1 Simple cubic P 0.74 2 Hexagonal close-packed Q 0.68 3 Body-centered cubic R 0.52 4 Face-centered cubic (A) 1-P, 2-R, 3-Q, 4-Q (B) 1-R, 2-P, 3-R, 4-Q (C) 1-R, 2-P,
Q. The vector that is normal to the surface 2x z2 – 3x y – 4 x = 7 at the point (1, –1, 2) is (A) 2i – 3j + 8k (B) 2i + 3j + 4k (C) 7i – 3j + 8k (D) 7i – 5j + 8k Ans: 7i – 3j +
Q. For any real, square and non-singular matrix B , the det B-1 is (A) zero (B) (det B)-1 (C) -(det B) (D) det B Ans: (det B)-1 Sol: For any matrix whose inverse exists i.e. non-singular BB-1 = I |BB-1| = 1 |B||B-1| = 1 det (B-1) = (det B)-1
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